The following are known CWCheat Codes for Harukanaru Toki no Naka de 4: Aizouban on Sony Playstation Portable (PSP).

_S ULJM-05810
_G Harukanaru Toki no Naka de 4 Aizouban [JP]
_C0 HEROINE HP AND MP 200
_L 0x005E3E39 0x000000C8
_L 0x005E3E3A 0x000000C8
_C0 HEROINE SPECIAL SKILL ALL
_L 0x805E3E19 0x00140001
_L 0x10000005 0x00000000
_C0 OMAKE OPEN
_L 0x005E3268 0x000000FF
_L 0x805E0D58 0x000B0001
_L 0x000000FF 0x0000
_C0 ZENKEI 999
_L 0x405E373E 0x00050001
_L 0x03E703E7 0x00000000